2 - Avoid leaking IPv6 policy content if we fail to format it into
3 a router descriptor. Spotted by Coverity. Fixes part of 7816;
4 bugfix on 0.2.4.7-alpha.
6 - Avoid leaking memory if we fail to compute a consensus signature
7 or we generated a consensus we couldn't parse. Spotted by Coverity.
8 Fixes part of 7816; bugfix on 0.2.0.5-alpha.